Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml

File Facts

System
Linux kernel
Corpus path
Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml
Extension
.yaml
Size
1359 bytes
Lines
74
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/nxp,lpc3220-i2s.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP LPC32XX I2S Controller

description:
  The I2S controller in LPC32XX SoCs, ASoC DAI.

maintainers:
  - J.M.B. Downing <jonathan.downing@nautel.com>
  - Piotr Wojtaszczyk <piotr.wojtaszczyk@timesys.com>

allOf:
  - $ref: dai-common.yaml#

properties:
  compatible:
    enum:
      - nxp,lpc3220-i2s

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    items:
      - description: input clock of the peripheral.

  dmas:
    items:
      - description: RX DMA Channel
      - description: TX DMA Channel

  dma-names:
    items:
      - const: rx
      - const: tx

  "#sound-dai-cells":
    const: 0

required:
  - compatible
  - reg
  - interrupts
  - clocks
  - dmas
  - dma-names
  - '#sound-dai-cells'

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/lpc32xx-clock.h>
    #include <dt-bindings/interrupt-controller/irq.h>

    i2s@20094000 {
      compatible = "nxp,lpc3220-i2s";
      reg = <0x20094000 0x1000>;
      interrupts = <22 IRQ_TYPE_LEVEL_HIGH>;
      clocks = <&clk LPC32XX_CLK_I2S0>;
      dmas = <&dma 0 1>, <&dma 13 1>;
      dma-names = "rx", "tx";
      #sound-dai-cells = <0>;

Annotation

Implementation Notes